thoerup/messagedriven/ProducerServlet.java

package dk.thoerup.messagedriven;

import java.io.IOException;

import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet(name = "ProducerServlet", urlPatterns = { "/ProducerServlet" })
public class ProducerServlet extends HttpServlet {
        private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public ProducerServlet() {
        super();
        // TODO Auto-generated constructor stub
    }
    
    // why doesn't @Resource work ??
    //@Resource(mappedName = "jms/helloFactory")
    private static ConnectionFactory connectionFactory;

    //@Resource(mappedName = "jms/hello")
    private static Queue queue;
    

    @Override
    public void init() throws ServletException {
        try {
                InitialContext ic = new InitialContext();
                connectionFactory = (ConnectionFactory)ic.lookup("jms/helloFactory");
                queue = (Queue)ic.lookup("jms/hello");
        } catch(NamingException ne) {
                throw new ServletException(ne);
        }
    }


        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
                try {

                        Connection connection = connectionFactory.createConnection();                   
                        
                        //Connection connection = connectionFactory.createConnection();
                
                Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                MessageProducer producer = session.createProducer(queue);
                TextMessage message = session.createTextMessage();
                message.setStringProperty("name", "World!!");
                message.setText("this is the body");
                producer.send(message);
                response.getWriter().print("Message sent" );
                } catch (Exception e) {
                        response.getWriter().print("Error:" + e.getMessage() );
                }
        }


}
1	torben	1271	package dk.thoerup.messagedriven;
2
3			import java.io.IOException;
4
5			import javax.jms.Connection;
6			import javax.jms.ConnectionFactory;
7			import javax.jms.MessageProducer;
8			import javax.jms.Queue;
9			import javax.jms.Session;
10			import javax.jms.TextMessage;
11			import javax.naming.InitialContext;
12	torben	1272	import javax.naming.NamingException;
13	torben	1271	import javax.servlet.ServletException;
14			import javax.servlet.annotation.WebServlet;
15			import javax.servlet.http.HttpServlet;
16			import javax.servlet.http.HttpServletRequest;
17			import javax.servlet.http.HttpServletResponse;
18
19
20			@WebServlet(name = "ProducerServlet", urlPatterns = { "/ProducerServlet" })
21			public class ProducerServlet extends HttpServlet {
22			private static final long serialVersionUID = 1L;
23
24			/**
25			* @see HttpServlet#HttpServlet()
26			*/
27			public ProducerServlet() {
28			super();
29			// TODO Auto-generated constructor stub
30			}
31
32	torben	1272	// why doesn't @Resource work ??
33			//@Resource(mappedName = "jms/helloFactory")
34	torben	1271	private static ConnectionFactory connectionFactory;
35
36	torben	1272	//@Resource(mappedName = "jms/hello")
37	torben	1271	private static Queue queue;
38	torben	1272
39	torben	1271
40	torben	1272	@Override
41			public void init() throws ServletException {
42			try {
43			InitialContext ic = new InitialContext();
44			connectionFactory = (ConnectionFactory)ic.lookup("jms/helloFactory");
45			queue = (Queue)ic.lookup("jms/hello");
46			} catch(NamingException ne) {
47			throw new ServletException(ne);
48			}
49			}
50	torben	1271
51
52			protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
53			try {
54	torben	1272
55			Connection connection = connectionFactory.createConnection();
56	torben	1271
57			//Connection connection = connectionFactory.createConnection();
58
59			Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
60			MessageProducer producer = session.createProducer(queue);
61			TextMessage message = session.createTextMessage();
62			message.setStringProperty("name", "World!!");
63			message.setText("this is the body");
64			producer.send(message);
65			response.getWriter().print("Message sent" );
66			} catch (Exception e) {
67			response.getWriter().print("Error:" + e.getMessage() );
68			}
69			}
70
71
72			}